Change over the broadcaster/listener process to hold shared or weak pointers
to each other. This should remove some infrequent teardown crashes when the
listener is not the debugger's listener.
Processes now need to take a ListenerSP, not a Listener&.
This required changing over the Process plugin class constructors to take a ListenerSP, instead
of a Listener&. Other than that there should be no functional change.
<rdar://problem/24580184> CrashTracer: [USER] Xcode at …ework: lldb_private::Listener::BroadcasterWillDestruct + 39
llvm-svn: 262863
diff --git a/lldb/source/Plugins/Process/MacOSX-Kernel/ProcessKDP.cpp b/lldb/source/Plugins/Process/MacOSX-Kernel/ProcessKDP.cpp
index 628f76d..f99bb2c 100644
--- a/lldb/source/Plugins/Process/MacOSX-Kernel/ProcessKDP.cpp
+++ b/lldb/source/Plugins/Process/MacOSX-Kernel/ProcessKDP.cpp
@@ -132,12 +132,12 @@
lldb::ProcessSP
ProcessKDP::CreateInstance (TargetSP target_sp,
- Listener &listener,
+ ListenerSP listener_sp,
const FileSpec *crash_file_path)
{
lldb::ProcessSP process_sp;
if (crash_file_path == NULL)
- process_sp.reset(new ProcessKDP (target_sp, listener));
+ process_sp.reset(new ProcessKDP (target_sp, listener_sp));
return process_sp;
}
@@ -178,8 +178,8 @@
//----------------------------------------------------------------------
// ProcessKDP constructor
//----------------------------------------------------------------------
-ProcessKDP::ProcessKDP(TargetSP target_sp, Listener &listener) :
- Process (target_sp, listener),
+ProcessKDP::ProcessKDP(TargetSP target_sp, ListenerSP listener_sp) :
+ Process (target_sp, listener_sp),
m_comm("lldb.process.kdp-remote.communication"),
m_async_broadcaster (NULL, "lldb.process.kdp-remote.async-broadcaster"),
m_dyld_plugin_name (),
@@ -927,13 +927,13 @@
if (log)
log->Printf ("ProcessKDP::AsyncThread (arg = %p, pid = %" PRIu64 ") thread starting...", arg, pid);
- Listener listener ("ProcessKDP::AsyncThread");
+ ListenerSP listener_sp (Listener::MakeListener("ProcessKDP::AsyncThread"));
EventSP event_sp;
const uint32_t desired_event_mask = eBroadcastBitAsyncContinue |
eBroadcastBitAsyncThreadShouldExit;
- if (listener.StartListeningForEvents (&process->m_async_broadcaster, desired_event_mask) == desired_event_mask)
+ if (listener_sp->StartListeningForEvents (&process->m_async_broadcaster, desired_event_mask) == desired_event_mask)
{
bool done = false;
while (!done)
@@ -941,7 +941,7 @@
if (log)
log->Printf ("ProcessKDP::AsyncThread (pid = %" PRIu64 ") listener.WaitForEvent (NULL, event_sp)...",
pid);
- if (listener.WaitForEvent (NULL, event_sp))
+ if (listener_sp->WaitForEvent (NULL, event_sp))
{
uint32_t event_type = event_sp->GetType();
if (log)
@@ -981,7 +981,7 @@
// Check to see if we are supposed to exit. There is no way to
// interrupt a running kernel, so all we can do is wait for an
// exception or detach...
- if (listener.GetNextEvent(event_sp))
+ if (listener_sp->GetNextEvent(event_sp))
{
// We got an event, go through the loop again
event_type = event_sp->GetType();